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cmd/compile: make ssa compilation unconditional

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Rip out the code that allows SSA to be used conditionally.

No longer exists:
 ssa=0 flag
 GOSSAHASH
 GOSSAPKG
 SSATEST

GOSSAFUNC now only controls the printing of the IR/html.

Still need to rip out all of the old backend.  It should no longer be
callable after this CL.

Update #16357

Change-Id: Ib30cc18fba6ca52232c41689ba610b0a94aa74f5
Reviewed-on: https://go-review.googlesource.com/29155
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Keith Randall 2016-09-14 10:01:05 -07:00
parent eed061f89c
commit 167e381f40
18 changed files with 68 additions and 256 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/cmd/compile/internal/arm/ssa.go
View file

@ -201,7 +201,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
// nothing to do
case ssa.OpLoadReg:
if v.Type.IsFlags() {
v.Unimplementedf("load flags not implemented: %v", v.LongString())
v.Fatalf("load flags not implemented: %v", v.LongString())
return
}
p := gc.Prog(loadByType(v.Type))
@ -222,7 +222,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
gc.CheckLoweredPhi(v)
case ssa.OpStoreReg:
if v.Type.IsFlags() {
v.Unimplementedf("store flags not implemented: %v", v.LongString())
v.Fatalf("store flags not implemented: %v", v.LongString())
return
}
p := gc.Prog(storeByType(v.Type))
@ -958,7 +958,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
case ssa.OpARMInvertFlags:
v.Fatalf("InvertFlags should never make it to codegen %v", v.LongString())
default:
v.Unimplementedf("genValue not implemented: %s", v.LongString())
v.Fatalf("genValue not implemented: %s", v.LongString())
}
}
@ -1056,6 +1056,6 @@ func ssaGenBlock(s *gc.SSAGenState, b, next *ssa.Block) {
}
default:
b.Unimplementedf("branch not implemented: %s. Control: %s", b.LongString(), b.Control.LongString())
b.Fatalf("branch not implemented: %s. Control: %s", b.LongString(), b.Control.LongString())
}
}